half-witted Antonyms

as sharp as a tack sound smart shrewd sharp sensible sagacious resourceful reasonable rational quick-witted quick talented wise savvy as sharp as a razor able to understand quickly mentally acute extremely clever able to think quickly as sharp as a needle whip-smart scholared quick-thinking insightful knowledgeable proficient piquant educated discerning clever cerebral canny brilliant bright brainy astute alert acute erudite expedient genius perceptive logical knowing keen judicious inventive intuitive intelligent